Add v2026dev0 release schedule

Add reference to the new dev release v2026dev0.

Signed-off-by: Walter Lozano <walter.lozano@collabora.com>

content/policies/releases.md

@@ -58,6 +58,7 @@ The latest releases are:
 
 The next releases will be:
 
+  - v2026dev0: [release schedule]( {{< ref "/release/v2026/v2026dev0/release_schedule.md" >}} )
   - v2025pre: [release schedule]( {{< ref "/release/v2025/v2025pre/release_schedule.md" >}} )
   - v2024.3: [release schedule]( {{< ref "/release/v2024/v2024.3/release_schedule.md" >}} )
   - v2023.7: [release schedule]( {{< ref "/release/v2023/v2023.7/release_schedule.md" >}} )

content/release/v2026.md

++++
+date = "2024-09-12"
+weight = 100
+
+title = "v2026 stream"
++++
+
+{{< section-toc >}}
\ No newline at end of file

content/release/v2026/v2026dev0.md

++++
+weight = 100
+title = "v2026dev0"
+
+aliases = [
+    "/release/v2026dev0",
+]
++++
+
+# Release v2026dev0
+
+{{< section-toc >}}

content/release/v2026/v2026dev0/release_schedule.md

++++
+date = "2024-09-12"
+weight = 100
+
+title = "v2026dev0 Release schedule"
+
+aliases = [
+    "/release/v2026dev0/release_schedule",
+]
++++
+
+The v2026dev0 release cycle is scheduled to start in October 2024.
+
+| Milestone                                                                                                | Date              |
+| -------------------------------------------------------------------------------------------------------- | ----------------- |
+| Start of release cycle                                                                                   | 2024-10-01        |
+| Soft feature freeze: end of feature proposal and review period                                           | 2024-11-13        |
+| Soft code freeze/hard feature freeze: end of feature development for this release, only bugfixes allowed | 2024-11-20        |
+| Release candidate 1 (RC1)/hard code freeze: no new code changes may be made after this date              | 2024-11-27        |
+| RC testing                                                                                               | 2024-11-28..12-11 |
+| v2026dev0 release                                                                                        | 2024-12-12        |
+
+If the release candidate 1 does not successfully pass all required
+tests, then the issues will be fixed and a new release candidate will be
+re-tested. This would delay the release, which would be reflected on
+this page.
+
+## See also
+
+  - Previous [release schedules]( {{< ref "/policies/releases.md" >}} ) and
+    more information about the timeline